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U.S.-listed company Semler Scientific announced a new purchase of 455 BTC for $50 million at an average price of $109,801. The firm now holds 4,264 BTC with a total acquisition cost of $390 million and a current estimated value of $450 million. https://ir.semlerscientific.com/node/10966/html
Analysis: How Did Sui Officy Freeze $160M from a Hacker? By @tmel0211
Validators implemented transaction filtering at the mempool stage to ignore transactions from hacker addresses, leveraging the Move object model where validators control transaction packaging. The discussion also highlights Sui may have a built - in denylist mechanism, with potential centralization risks as most validators need to act in unison. This raises questions about the tradeoff between decentralization and emergency response, the subjectivity of freeze standards, and the impact on censorship resistance. Read more
Validators implemented transaction filtering at the mempool stage to ignore transactions from hacker addresses, leveraging the Move object model where validators control transaction packaging. The discussion also highlights Sui may have a built - in denylist mechanism, with potential centralization risks as most validators need to act in unison. This raises questions about the tradeoff between decentralization and emergency response, the subjectivity of freeze standards, and the impact on censorship resistance. Read more
US President Trump said that he has clearly asked Apple CEO Tim Cook that all iPhones to be sold in the United States must be manufactured in the United States, not in India or other regions. If production is not carried out as required, Apple will have to pay at least 25% tariffs for each iPhone.
Trump declared the EU was “formed to take advantage of the U.S. on trade” and accused it of using barriers, VAT, penalties, and currency manipulation to harm American companies. He said talks have stalled and proposed a 50% tariff on all EU imports starting June 1, 2025, unless the goods are made in the U.S.
Trump declared the EU was “formed to take advantage of the U.S. on trade” and accused it of using barriers, VAT, penalties, and currency manipulation to harm American companies. Citing a $250B annual trade deficit, he said talks have stalled and proposed a 50% tariff on all EU imports starting June 1, 2025, unless the goods are made in the U.S.
Updated: Mysten Labs officials urgently submitted a pull request (PR) for a whitelist feature, but later closed it, indicating they are exploring new recovery approaches. According to @0x_Todd, this whitelist function would allow the team to pre-construct a specific "recovery transaction" in the future to retrieve funds or facilitate their return by hackers. The whitelist feature does not directly seize hackers' funds unless a separate recovery module (with system-level privileges) is deployed and the upgrade transaction is added to the whitelist.
Binance Alpha announced that it will launch a new project Sophon (SOPH) at 13:00 (UTC) on May 28, and launch SOPHUSDT perpetual contract. Sophon is an entertainment public chain based on ZK Stack. OKX will launch SOPH/USDT spot trading. https://www.binance.com/en/support/announcement/detail/861ed244616341d39aee5452b9b5bbb8
Binance founder CZ responded to a recent Wall Street Journal report, denying claims that he acted as a “fixer” for the Trump-affiliated crypto project World Liberty Foreign (WLF). CZ stated the WSJ’s questions were based on biased assumptions and factual inaccuracies, emphasizing he had no role in WLF’s arrangements or personal ties to the officials mentioned.
SUI has urgently launched a whitelist function, and any transaction in the whitelist can skip all security checks, and launched a restore module (system bottom-level privilege) and added the upgraded transaction to the whitelist. This move may be a preparation for the subsequent return of hacker funds to LPs.
Marked by Arkham as Jump Crypto: GtxgnR…CLxKdq received 2 million SOON at 12:45 UTC+8 on May 22, suspected to be one of the SOON market makers. This could be a sign of Jump’s return to the cryptocurrency market making business after the Trump administration. H/T: @ai_9684xtpa
QCP: The brief dip following BTC’s initial ATH triggered put-side profit-taking, but buyers were quick to reload on the upside. Most notably, 1,000 contracts of the September 130K call were swept up. A cost-effective vehicle for expressing a breakout thesis with convexity. The broader backdrop continues to skew bullish.
Major U.S. banks including JPMorgan Chase, Bank of America, Citigroup, and Wells Fargo are reportedly exploring the possibility of jointly issuing a stablecoin, with discussions involving Early Warning Services, the operator of the Zelle payment system, and The Clearing House, a real-time payments network.
Bloomberg analyst James Seyffart reported that the U.S. SEC has, as expected, delayed reviews of several crypto ETF filings, including XRP ETFs from Bitwise and CoinShares, the Litecoin ETF, and Fidelity’s in-kind Bitcoin ETF application. Meanwhile, the SEC has officially acknowledged the Staked TRX ETF filing from Canary Funds.
According to Bloomberg, the U.S. Supreme Court ruled on May 23 that the Federal Reserve, as a “uniquely structured, quasi-private entity,” is not subject to Donald Trump’s request to remove the heads of independent federal agencies. The decision may ease concerns over whether Trump intends to dismiss Federal Reserve Chair Jerome Powell.
Ahead of Donald Trump’s memecoin dinner, U.S. Representative Maxine Waters introduced the “Stop TRUMP in Crypto Act,” a bill that would prohibit the president, vice president, members of Congress, and their immediate family members from issuing, holding, or promoting any digital assets while in office. The legislation also seeks to ban trading digital assets based on material non-public information.
Binance Futures will launch B USDT perpetual contracts on May 23 at 00:30 (UTC+8). B (BUILDon) is a full-chain, smart investment platform. B uses USD1 as the trading pair and is listed on Binance Alpha. https://www.binance.com/en/support/announcement/52c6f34173e44f898764fb45e9dbb4ca
According to WSJ, Kraken announced that it will launch tokenized versions of more than 50 stocks and ETFs, including Apple, Tesla, and Nvidia, for non-U.S. customers, enabling trading via a digital ledger. These tokens will support 24/7 trading, even when the U.S. stock market is closed.
Sonic Labs has named GSR as one of the official market makers for its S token, marking a long-term partnership to boost liquidity and support ecosystem growth. GSR, licensed by MAS and the UK FCA, will extend its role beyond market making—supporting early-stage projects, deploying liquidity across Sonic’s DeFi ecosystem, and guiding token launches.
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